If the driver is not installed, it is not easy to delete under Win7 system. Sometimes there is no printer device in the device manager, and you can't delete it if you want to delete it completely.
Operating Procedures
1, Start - Devices and Printers: Select a printer icon and select the printer server properties;
2, click Print Server Properties--Driver--Delete, choose to delete the driver and driver package, click OK;
3, Cannot delete: Stop: print spooler service, delete C: Windows
All files under the System32spoolPRINTERS directory, restart the service: print spooler, and then proceed to the second step.
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